Ricoh D131 Service Manual page 57

D133 Only
10. Remove the pressure release tube [A].
11. Toner hopper [A] Developer Replacement
12. Rotate the toner hopper slightly 10° to 20° as you slide it up to remove it.
13. While turning the knob [A] slowly, pour in one pack of developer [B] from one end of the
development unit to the other.
14. Make sure that the developer is evenly distributed. Note the developer lot number printed on
the top edge of the bag. You will need the lot number when you execute SP2963 (Installation
Mode).
15. Assemble the development unit, then re-install it in the machine.
16. Follow the instructions printed on the inside of the front door to install the toner bottle.

If the door does not close, make sure that the pipe line shutter is rotated down. (See
Step 8 above.)
SM 2-13
Main Machine
D131/D132/D133